458503
Descripción
Test por cloud.berry, actualizado hace más de 1 año
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Creado por cloud.berry
hace más de 10 años
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Pregunta 1
Pregunta
mammals have ___ in which the blood is pumped by a powerful muscular heart and circulated in a continuous system of tubes -arteries, veins and capillaries- under pressure.
Respuesta
-
a closed circulation
-
an open circulation
Pregunta 2
Pregunta
The heart is divided into four chambers and blood flows from the ___ side of the heart to the ___ and then back to the ___ side.
Respuesta
-
right | lungs | left
-
left | lungs | right
-
right | body | left
-
left | body | right
Pregunta 3
Pregunta
As blood passes ___ through the heart, it is called a ___ circulation.
Respuesta
-
thrice | double
-
twice | single
-
twice | double
-
four times | double
-
once | double
Pregunta 4
Pregunta
Advantages of the circulatory system of mammals are:
Respuesta
-
oxygenated blood reaches respiring tissues undiluted by deoxygenated blood.
-
simultaneous low-pressure delivery of oxygenated blood to all regions of the body.
-
simultaneous high-pressure delivery of oxygenated blood to all regions of the body.
-
the heart is very strong and so is able to continue pumping blood.
Pregunta 5
Pregunta
Blood is a special tissue consisting of a liquid medium called ___ in which ___ ( red cells), ___ (white cells) and ___ are suspended.
Respuesta
-
plasma | erythrocytes | leucocytes | plates
-
plasma | leucocytes | erythrocytes | palets
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plasmodium | erythrocytes | leucocytes | platelets
-
plasma | erythrocytes | leucocytes | platelets
Pregunta 6
Pregunta
The erythrocytes are in the transport of reparatory gases.
Respuesta
- True
- False
Pregunta 7
Pregunta
Plasma transports:
Respuesta
-
nutrients
-
urea
-
undissolved proteins
-
heat
-
minerals
-
dissolved proteins -antibodies
-
dissolved proteins --with regulatory roles
-
hormones
-
oxygen
-
carbon dioxide
Pregunta 8
Pregunta
Erythrocytes transport:
Respuesta
-
oxygen
-
dissolved proteins
-
carbon dioxide
-
antibodies
Pregunta 9
Pregunta
Lymphocytes..
Respuesta
-
transport carbon dioxide
-
form antibodies
-
fight antibodies
Pregunta 10
Pregunta
Phagocytes..
Respuesta
-
form bacteria
-
form antibodies
-
ingest bacteria
Pregunta 11
Pregunta
platelets..
Respuesta
-
form antibodies
-
play a part in the blood clotting mechanism
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transport various substances to body cells
Pregunta 12
Pregunta
Arteries carry blood to the heart.
Respuesta
- True
- False
Pregunta 13
Pregunta
Arteries carry blood away from the heart and veins do the opposite.
Respuesta
- True
- False
Pregunta 14
Pregunta
Capillaries are..
Respuesta
-
fine networks of tiny tubules linking arteries and veins.
-
fine network of large tubules separating arteries and veins.
Pregunta 15
Pregunta
Both arteries and veins have strong walls, but the walls in veins are much thicker and stronger.
Respuesta
- True
- False
Pregunta 16
Pregunta
In comparison to arteries and veins where the walls are strong due to the presence of ___ , capillaries' walls only consist of ___.
Respuesta
-
collagen fibres | endothelium
-
endothelium | collagen fibres
-
collage fibres | endothelial cells
-
epithelial fibres | endothelium
Pregunta 17
Pregunta
Veins have valves at intersections to prevent backflow.
Respuesta
- True
- False
Pregunta 18
Pregunta
The ___ side of the heart pumps ___ blood to the ___, and the arteries, veins and capillaries serving the ___ are known as ___ circulation.
Respuesta
-
left | deoxygenated | lungs | lungs | pulmonary
-
right | oxygenated | body | body | pulmonary
-
right | deoxygenated | lungs | lungs | pulmonary
Pregunta 19
Pregunta
Arteries, veins and capillaries serving the ___ side of the heart by taking blood to ___ are known as the ___ circulation.
Respuesta
-
right | body cells | systemic
-
right | body cells | pulmonary
-
right | the lungs | systemic
Pregunta 20
Pregunta
arteries connect to the main ___ and veins join the ___ carrying blog back to the heart.
Respuesta
-
aorta | vena cava
-
vena cava | aorta
-
semi luna valves
Pregunta 21
Pregunta
The branching sequence for circulation is:
Respuesta
-
artery > aorta > arteriole > capillary > venule > vein > semi lunar valve
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aorta > artery > arteriole > capillary > venule > vein > vena cava
-
vena cava > vein > venule > capillary > arteriole > aorta > artery
-
aorta > artery > venule > capillary > arteriole > vein > vena cava
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